中文簡介

機械基礎的設計需要在感興趣的頻率下預測地基系統的動力響應。響應通常根據一些參數進行量化，這些參數包括位移、動態剛度、共振頻率、共振頻率和固有頻率下的振幅。本研究的目的是調查垂直動態響應的嵌入式基礎實驗。結果表明，埋置增加了地基系統的剛度、阻尼和固有頻率，減小了位移和共振幅值，但埋置對共振頻率影響不大。

　　英文簡介

Design of machine foundations requires the prediction of the dynamic response of the foundation system at the frequencies of interest. The response is typically quantified in terms of a number of parameters that include the displacement, the dynamic stiffness, the resonant frequency, the amplitude at the resonant frequency and the natural frequency. The objective of this study was to investigate the vertical dynamic response of an embedded foundation experimentally. It was found that embedment increases the stiffness, damping and natural frequency of a foundation system, reduces the displacement and resonant amplitude, but that embedment has very little effect on the resonant frequency.

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